## Warning: package 'here' was built under R version 3.4.4
## Warning: package 'ggplot2' was built under R version 3.4.4
## Warning: package 'plotly' was built under R version 3.4.4
ggplotly(graph2)
ggplotly(graph2)
ggplotly(graph2)
ggplotly(graph2)